Granted Patent
Utility
US 6,180,307 · App. 09/523,223
Layered polymer particles, toner formed therefrom and methods for forming the same
Inventor:
Grazyna E. Kmiecik-Lawrynowicz
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Mar 10, 2000
Inventor
Grazyna E. Kmiecik-Lawrynowicz
Assignee (at issue)
Xerox Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.